All the numbers you need to make
your own home brewed beer using
the brew in a bag method.
Choose your units
imperial
Metric
Imperial (hops as grams)
Recipe
Mouseover text for input cell boxes
Batch Size
G
Grain Bill
Lb
Hop Bill
gram
Dry Hops
gram
Length of Boil
Min
Mash Temp
F
Process
Boil-Off Rate
Gal/Hr
Grain Temp
F
Sparging Volume
Gal
Sparging Temp
F
Trub Loss from Kettle
Gallons
Trub Loss from Fermenter (10% of batch size)
Gallons
Trub Loss from Mashtun (10% of batch size)
Gallons
Fixed Mash Thickness.
Overrides Sparge Volume
Quart/Lb
Grain Absorption
Gallon/Lb
Hop Absorption
Gallon/gram
Equipment
How Big is your Kettle/Mashtun?
Gallon
How Wide is your Kettle/Mashtun?
Inches
Efficiencies
Expected Conversion efficiency
%
Measured Preboil Volume @Boil
Gallons
Measured Mash Gravity
S.G.
Measured Preboil Gravity
S.G.
Estimated Efficiencies
Mouseover descriptions at variables on the right
Estimated Lauter Efficiency
95
%
Estimated Mash Efficiency
73
%
Estimated Brewhouse Efficiency
73
%
Run Off Ratio
0.75
Mashout Temp
168
F
Measured Efficiencies
Conversion Efficiency
0
%
Lauter Efficiency
0
%
Mash Efficiency
73
%
Brewhouse Efficiency
73
%
Measured Grain Absorption
0.111
Gal/Lb
Estimated Gravity Readings
Mash
Second Runnings
Preboil
Post Boil
0
SG
0
SG
0
SG
0
SG
Measured Gravity Readings
Mash
Second Runnings
Preboil
Post Boil
0
SG
0
SG
0
SG
0
SG
General Results
Total water needed
1
Gallons
4
Inches
Strike temp
9
F
Mash Thickness
7
Quart/Lb
Total volume loss
2
Gallon
Gallon height
4
Inches
Estimated Boil off
.5
Gal/Hr
Minimum Sparging Volume
4
Gal
Water Volumes and Heights
Water volume at 68F
4
Gal
4
Inches
Strike water volume
(temp. adjusted at strike temp)
0
Gal
4
Inches
Volume of mash with grains
(temp. adjusted at mash temp)
4.6
Gal
5
Inches
First Runnings
(temp. adjusted at mash temp)
4.6
Gal
5
Inches
2nd Runnings
(temp. adjusted at mash temp)
4.6
Gal
5
Inches
Pre boil
(temp. adjusted at 212F)
4
Gal
5
Inches
Post boil
(temp. adjusted at 212F)
4
Gal
5
Inches
Out of Kettle Chilled
(If no chill adjust trub volumes)
5.5
Gallons
5
Inches
Volume Packaged
(To Bottle or keg)
4
Gallons
